78540360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 249384960

約数和(自身を除く): 170844600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 491, 516, 620, 645, 744, 860, 930, 982, 1032, 1240, 1290, 1333, 1473, 1720, 1860, 1964, 2455, 2580, 2666, 2946, 3720, 3928, 3999, 4910, 5160, 5332, 5892, 6665, 7365, 7998, 9820, 10664, 11784, 13330, 14730, 15221, 15996, 19640, 19995, 21113, 26660, 29460, 30442, 31992, 39990, 42226, 45663, 53320, 58920, 60884, 63339, 76105, 79980, 84452, 91326, 105565, 121768, 126678, 152210, 159960, 168904, 182652, 211130, 228315, 253356, 304420, 316695, 365304, 422260, 456630, 506712, 608840, 633390, 654503, 844520, 913260, 1266780, 1309006, 1826520, 1963509, 2533560, 2618012, 3272515, 3927018, 5236024, 6545030, 7854036, 9817545, 13090060, 15708072, 19635090, 26180120, 39270180, 78540360]

約数ペア:

[(1, 78540360), (2, 39270180), (3, 26180120), (4, 19635090), (5, 15708072), (6, 13090060), (8, 9817545), (10, 7854036), (12, 6545030), (15, 5236024), (20, 3927018), (24, 3272515), (30, 2618012), (31, 2533560), (40, 1963509), (43, 1826520), (60, 1309006), (62, 1266780), (86, 913260), (93, 844520), (120, 654503), (124, 633390), (129, 608840), (155, 506712), (172, 456630), (186, 422260), (215, 365304), (248, 316695), (258, 304420), (310, 253356), (344, 228315), (372, 211130), (430, 182652), (465, 168904), (491, 159960), (516, 152210), (620, 126678), (645, 121768), (744, 105565), (860, 91326), (930, 84452), (982, 79980), (1032, 76105), (1240, 63339), (1290, 60884), (1333, 58920), (1473, 53320), (1720, 45663), (1860, 42226), (1964, 39990), (2455, 31992), (2580, 30442), (2666, 29460), (2946, 26660), (3720, 21113), (3928, 19995), (3999, 19640), (4910, 15996), (5160, 15221), (5332, 14730), (5892, 13330), (6665, 11784), (7365, 10664), (7998, 9820)]